These hardware kits include a full complement of bolts, nuts, and washers to replace the plain steel hardware on your MV's engine. Every part is made of Mil-Spec stainless steel. These kits are direct replacements for your OEM bolts, including all of those hard-to-find odd-length bolts, and are simple to install. Just remove a factory bolt, match it to a new one from the kit, and install it!